3. Fatigue testing methods
The principles of fatigue verification are set out in clause 3 of NF EN 1993-1-9. This clause proposes two methods for carrying out this verification, depending on the feasibility (from a technical and economic point of view) of fatigue inspections (searching for possible cracks):
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safe life method, i.e. :
if inaccessible for fatigue inspection,
when there is no reason to do so;
damage tolerance method, the prerequisite for which is the development of a fatigue inspection program.
A fatigue inspection is more than just a visual inspection: the aim of a fatigue inspection is to detect any cracks, and requires the use of specialized techniques....
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Fatigue testing methods
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